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... would induce a delay of a couple of minutes... Besides, I think the start of GNG should be determined by the time at which the liver starts using alanine/lactate to make glucose, not the time by which said glucose has reached the recipient cells. This is how I understand it, I may be wrong of ...

... is in location . GNG takes place in liver where glucose is synthesised and transported to peripheral tissues where is it utilised. And it uses alanine as the solely amino acid, because it's freely exchangeable with pyruvate and lactate.

... itself, and that aminoacids are used only as a last resort, even though they specified a few pages before that the main substrate for GNG is alanine (followed by lactate and glycerol). So there HAS to exist some factor that apparently delays GNG other than the aforementionned hormones, otherwise ...

... organ for mammals. Gluconeogenesis from lactate is very easy as the lactate is the end product of anerobic glycolysis. Gluconeogenesis from alanine is realtively difficult as the 'N' must be removed as urea. In gluconeogeneis there is no "net" calorie production but a survival ...